2011201213120 has 56 divisors (see below), whose sum is σ = 5224552251408. Its totient is φ = 731345894400.

The previous prime is 2011201213103. The next prime is 2011201213187. The reversal of 2011201213120 is 213121021102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2011201213094 and 2011201213103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285678471 + ... + 285685510.

It is an arithmetic number, because the mean of its divisors is an integer number (93295575918).

Almost surely, 2^{2011201213120} is an apocalyptic number.

2011201213120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011201213120 is an abundant number, since it is smaller than the sum of its proper divisors (3213351038288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011201213120 is a wasteful number, since it uses less digits than its factorization.

2011201213120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571364009 (or 571363999 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2011201213120 its reverse (213121021102), we get a palindrome (2224322234222).

The spelling of 2011201213120 in words is "two trillion, eleven billion, two hundred one million, two hundred thirteen thousand, one hundred twenty".